664006395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{647}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 1210567680

約数和(自身を除く): 546561285

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 277, 285, 647, 741, 831, 1235, 1385, 1941, 3235, 3601, 3705, 4155, 5263, 8411, 9705, 10803, 12293, 15789, 18005, 25233, 26315, 36879, 42055, 54015, 61465, 68419, 78945, 126165, 159809, 179219, 184395, 205257, 342095, 479427, 537657, 799045, 896095, 1026285, 2329847, 2397135, 2688285, 3405161, 6989541, 10215483, 11649235, 17025805, 34947705, 44267093, 51077415, 132801279, 221335465, 664006395]

約数ペア:

[(1, 664006395), (3, 221335465), (5, 132801279), (13, 51077415), (15, 44267093), (19, 34947705), (39, 17025805), (57, 11649235), (65, 10215483), (95, 6989541), (195, 3405161), (247, 2688285), (277, 2397135), (285, 2329847), (647, 1026285), (741, 896095), (831, 799045), (1235, 537657), (1385, 479427), (1941, 342095), (3235, 205257), (3601, 184395), (3705, 179219), (4155, 159809), (5263, 126165), (8411, 78945), (9705, 68419), (10803, 61465), (12293, 54015), (15789, 42055), (18005, 36879), (25233, 26315)]